c#实现"扫描检测硬件改动"

public static class Win32Api
{
    public const int CM_LOCATE_DEVNODE_NORMAL = 0x00000000;
    public const int CM_REENUMERATE_NORMAL = 0x00000000;
    public const int CR_SUCCESS = 0x00000000;

    [DllImport("CfgMgr32.dll", SetLastError=true)]
    public static extern int CM_Locate_DevNodeA(ref int pdnDevInst, string pDeviceID, int ulFlags);

    [DllImport("CfgMgr32.dll", SetLastError=true)]
    public static extern int CM_Reenumerate_DevNode(int dnDevInst, int ulFlags);
}